tach_structs.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:10k
- /**********************************************************************
- * iph5526.c: Structures for the Interphase 5526 PCI Fibre Channel
- * IP/SCSI driver.
- * Copyright (C) 1999 Vineet M Abraham <vmabraham@hotmail.com>
- **********************************************************************/
- #ifndef _TACH_STRUCT_H
- #define _TACH_STRUCT_H
- typedef struct {
- u_short cmnd_code;
- u_short payload_length;
- u_short type_code;
- u_short est_image_pair;
- u_int originator_pa;
- u_int responder_pa;
- u_int service_params;
- } PRLI;
- typedef struct {
- u_int flags_and_byte_offset;
- u_int byte_count;
- u_short no_of_recvd_frames;
- u_short no_of_expected_frames;
- u_int last_fctl;
- u_int sdb_address;
- u_int scratch_pad;
- u_int expected_ro;
- u_short buffer_index;
- u_short buffer_offset;
- } INB_SEST_ENTRY;
- typedef struct {
- u_int flags_and_did;
- u_short max_frame_len;
- u_short cntl;
- u_int total_seq_length;
- u_short link;
- u_short rx_id;
- u_int transaction_id;
- u_int header_address;
- u_char seq_id;
- u_char reserved;
- u_short header_length;
- u_int edb_address;
- } OUTB_SEST_ENTRY;
- typedef struct {
- u_short d_naa;
- u_short dest_high;
- u_int dest_low;
- u_short s_naa;
- u_short source_high;
- u_int source_low;
- } NW_HEADER;
- typedef struct {
- u_int resv;
- u_char sof_and_eof;
- u_char dest_alpa;
- u_short lcr_and_time_stamp;
- u_int r_ctl_and_d_id;
- u_int vc_id_and_s_id;
- u_int type_and_f_cntl;
- u_char seq_id;
- u_char df_cntl;
- u_short seq_cnt;
- u_short ox_id;
- u_short rx_id;
- u_int ro;
- NW_HEADER nw_header;
- } TACHYON_HEADER;
- typedef struct {
- u_short service_options;
- u_short initiator_ctl;
- u_short recipient_ctl;
- u_short recv_data_field_size;
- u_short concurrent_sequences;
- u_short n_port_end_to_end_credit;
- u_short open_seq_per_exchange;
- u_short resv;
- }CLASS_OF_SERVICE;
- typedef struct {
- u_int logo_cmnd;
- u_char reserved;
- u_char n_port_id_2;
- u_char n_port_id_1;
- u_char n_port_id_0;
- u_int port_name_up;
- u_int port_name_low;
- } LOGO;
- typedef struct {
- u_int ls_cmnd_code;
- u_int hard_address;
- u_int port_name_high;
- u_int port_name_low;
- u_int node_name_high;
- u_int node_name_low;
- u_int n_port_id;
- } ADISC;
-
- typedef struct {
- u_int cmnd_code;
- u_int reason_code;
- } LS_RJT;
- typedef struct {
- u_int cmnd_code;
- } ACC;
- typedef struct {
- u_int seq_d_id;
- u_int tot_len;
- u_short cntl;
- u_short rx_id;
- u_short cs_enable;
- u_short cs_seed;
- u_int trans_id;
- u_int hdr_addr;
- u_short frame_len;
- u_short hdr_len;
- u_int edb_addr;
- }ODB;
- typedef struct {
- u_int cmnd_code;
- u_int reg_function; /* in the last byte */
- } SCR;
- typedef struct {
- u_int rev_in_id;
- u_char fs_type;
- u_char fs_subtype;
- u_char options;
- u_char resv1;
- u_short cmnd_resp_code;
- u_short max_res_size;
- u_char resv2;
- u_char reason_code;
- u_char expln_code;
- u_char vendor_unique;
- } CT_HDR;
- typedef struct {
- CT_HDR ct_hdr;
- u_int s_id;
- u_char bit_map[32]; /* 32 byte bit map */
- } RFC_4;
- typedef struct {
- u_int ls_cmnd_code;
- u_short fc_ph_version;
- u_short buff_to_buff_credit;
- u_short common_features;
- u_short recv_data_field_size;
- u_short n_port_total_conc_seq;
- u_short rel_off_by_info_cat;
- u_int ED_TOV;
- u_int n_port_name_high;
- u_int n_port_name_low;
- u_int node_name_high;
- u_int node_name_low;
- CLASS_OF_SERVICE c_of_s[3];
- u_int resv[4];
- u_int vendor_version_level[4];
- }LOGIN;
- typedef struct {
- CT_HDR ct_hdr;
- u_int port_type; /* in the first byte */
- } GP_ID4;
- typedef struct {
- u_int buf_addr;
- u_short ehf;
- u_short buf_len;
- }EDB;
- /* (i)chip Registers */
- struct i_chip_regs {
- u_int ptr_ichip_hw_control_reg;
- u_int ptr_ichip_hw_status_reg;
- u_int ptr_ichip_hw_addr_mask_reg;
- };
- struct iph5526_novram {
- u_int ptr_novram_hw_control_reg;
- u_int ptr_novram_hw_status_reg;
- u_short data[IPH5526_NOVRAM_SIZE];
- };
- /* Tachyon Registers */
- struct tachyon_regs {
- u_int ptr_ocq_base_reg;
- u_int ptr_ocq_len_reg;
- u_int ptr_ocq_prod_indx_reg;
- u_int ptr_ocq_cons_indx_reg;
- u_int ptr_imq_base_reg;
- u_int ptr_imq_len_reg;
- u_int ptr_imq_cons_indx_reg;
- u_int ptr_imq_prod_indx_reg;
- u_int ptr_mfsbq_base_reg;
- u_int ptr_mfsbq_len_reg;
- u_int ptr_mfsbq_prod_reg;
- u_int ptr_mfsbq_cons_reg;
- u_int ptr_mfsbuff_len_reg;
- u_int ptr_sfsbq_base_reg;
- u_int ptr_sfsbq_len_reg;
- u_int ptr_sfsbq_prod_reg;
- u_int ptr_sfsbq_cons_reg;
- u_int ptr_sfsbuff_len_reg;
- u_int ptr_sest_base_reg;
- u_int ptr_sest_len_reg;
- u_int ptr_scsibuff_len_reg;
- u_int ptr_tach_config_reg;
- u_int ptr_tach_control_reg;
- u_int ptr_tach_status_reg;
- u_int ptr_tach_flush_oxid_reg;
- u_int ptr_fm_config_reg;
- u_int ptr_fm_control_reg;
- u_int ptr_fm_status_reg;
- u_int ptr_fm_tov_reg;
- u_int ptr_fm_wwn_hi_reg;
- u_int ptr_fm_wwn_low_reg;
- u_int ptr_fm_rx_al_pa_reg;
- };
- struct globals {
- u_long tachyon_base;
- u_int *mem_base;
- u_short ox_id; /* OX_ID used for IP and ELS frames */
- u_short scsi_oxid; /* OX_ID for SEST entry */
- u_char seq_id;
- u_int my_id;
- u_int my_ddaa; /* my domain and area in a fabric */
- volatile u_char loop_up;
- volatile u_char ptp_up; /* we have a point-to-point link */
- volatile u_char link_up;
- volatile u_char n_port_try;
- volatile u_char nport_timer_set;
- volatile u_char lport_timer_set;
- /* Hmmm... We dont want to Initialize while closing */
- u_char dont_init;
- u_int my_node_name_high;
- u_int my_node_name_low;
- u_int my_port_name_high;
- u_int my_port_name_low;
- u_char fabric_present;
- u_char explore_fabric;
- u_char name_server;
- u_int my_mtu;
- u_int *els_buffer[MAX_PENDING_FRAMES]; /* temp space for ELS frames */
- char *arp_buffer; /* temp space for ARP frames */
- u_int mfs_buffer_count; /* keep track of MFS buffers used*/
- u_char scsi_registered;
- /* variables for port discovery */
- volatile u_char port_discovery;
- volatile u_char perform_adisc;
- u_short alpa_list_index;
- u_short type_of_frame; /* Could be IP/SCSI Read/SCSI Write*/
- u_char no_of_targets; /* used to assign target_ids */
- u_long sem; /* to synchronize between IP and SCSI */
- u_char e_i;
- /* the frames */
- TACHYON_HEADER tach_header;
- LOGIN login;
- PRLI prli;
- LOGO logo;
- ADISC adisc;
- LS_RJT ls_rjt;
- ODB odb;
- INB_SEST_ENTRY inb_sest_entry;
- OUTB_SEST_ENTRY outb_sest_entry;
- ACC acc;
- SCR scr;
- EDB edb;
- RFC_4 rfc_4;
- GP_ID4 gp_id4;
- };
- struct queue_variables {
- /* Indices maintained in host memory.
- */
- u_int *host_ocq_cons_indx, *host_hpcq_cons_indx, *host_imq_prod_indx;
- u_int *ptr_host_ocq_cons_indx, *ptr_host_hpcq_cons_indx, *ptr_host_imq_prod_indx;
- /* Variables for Outbound Command Queue (OCQ).
- */
- u_int *ptr_ocq_base;
- u_int ocq_len, ocq_end;
- u_int ocq_prod_indx;
- u_int *ptr_odb[OCQ_LENGTH];
- /* Variables for Inbound Message Queue (IMQ).
- */
- u_int *ptr_imq_base;
- u_int imq_len, imq_end;
- u_int imq_cons_indx;
- u_int imq_prod_indx;
- u_int *ptr_imqe[IMQ_LENGTH];
- u_int *ptr_mfsbq_base;
- u_int mfsbq_len, mfsbq_end;
- u_int mfsbq_prod_indx;
- u_int mfsbq_cons_indx;
- u_int mfsbuff_len, mfsbuff_end;
- u_int *ptr_sfsbq_base;
- u_int sfsbq_len, sfsbq_end;
- u_int sfsbq_prod_indx;
- u_int sfsbq_cons_indx;
- u_int sfsbuff_len, sfsbuff_end;
- u_int *ptr_sfs_buffers[SFSBQ_LENGTH * NO_OF_ENTRIES];
- /* Tables for SCSI Transactions */
- u_int *ptr_sest_base;
- u_int *ptr_sest[SEST_LENGTH];
- u_char free_scsi_oxid[SEST_LENGTH];
- u_int *ptr_sdb_base;
- u_int *ptr_sdb_slot[NO_OF_SDB_ENTRIES];
- u_char sdb_slot_status[NO_OF_SDB_ENTRIES];
- u_int sdb_indx;
- u_int *ptr_fcp_cmnd_base;
- u_int *ptr_fcp_cmnd[NO_OF_FCP_CMNDS];
- u_int fcp_cmnd_indx;
- /* Table for data to be transmitted.
- */
- u_int *ptr_edb_base;
- u_int *ptr_edb[EDB_LEN];
- u_int edb_buffer_indx;
- volatile u_char free_edb_list[EDB_LEN];
- /* Table of Tachyon Headers.
- */
- u_int *ptr_tachyon_header[NO_OF_TACH_HEADERS];
- u_int *ptr_tachyon_header_base;
- u_int tachyon_header_indx;
- };
- /* Used to match incoming ACCs to ELS requests sent out */
- struct ox_id_els_map {
- u_short ox_id;
- u_int els;
- struct ox_id_els_map *next;
- };
- /* Carries info about individual nodes... stores the info got at login
- * time. Also maintains mapping between MAC->FC addresses
- */
- struct fc_node_info {
- /* Itz the WWN (8 bytes), the last 6 bytes is the MAC address */
- u_char hw_addr[PORT_NAME_LEN];
- u_char node_name[NODE_NAME_LEN];
- u_int d_id; /*real FC address, 3 bytes */
- int mtu;
- /* login = 1 if login attempted
- * login = 2 if login completed
- */
- int login;
- u_char scsi; /* = 1 if device is a SCSI Target */
- u_char target_id;
- CLASS_OF_SERVICE c_of_s[3];
- struct fc_node_info *next;
- };
- struct fc_info {
- char name[8];
- u_long base_addr;
- int irq;
- struct net_device_stats fc_stats;
- struct fc_node_info *node_info_list;
- int num_nodes;
- struct ox_id_els_map *ox_id_list;
- struct i_chip_regs i_r;
- struct tachyon_regs t_r;
- struct queue_variables q;
- struct globals g;
- struct iph5526_novram n_r;
- u_short clone_id;
- struct timer_list nport_timer;
- struct timer_list lport_timer;
- struct timer_list explore_timer;
- struct timer_list display_cache_timer;
- struct net_device *dev;
- struct Scsi_Host *host;
- spinlock_t fc_lock;
- };
- struct iph5526_hostdata {
- struct fc_info *fi;
- fcp_cmd cmnd;
- Scsi_Cmnd *cmnd_handler[SEST_LENGTH];
- u_int tag_ages[MAX_SCSI_TARGETS];
- };
- /* List of valid AL_PAs */
- u_char alpa_list[127] = {
- 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, 0x17,
- 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, 0x26,
- 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x31,
- 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, 0x3C,
- 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, 0x4C,
- 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56,
- 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, 0x69,
- 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, 0x73,
- 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, 0x81,
- 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, 0x9B,
- 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, 0xA9,
- 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, 0xB3,
- 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, 0xC5,
- 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE,
- 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, 0xDA,
- 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF
- };
- #endif /* _TACH_STRUCT_H */